Electric-field-enhanced Ionic Diffusivity in Electrolytes: A Model Study

Title
Electric-field-enhanced Ionic Diffusivity in Electrolytes: A Model Study
Authors
정두석김인호이택성이욱성이경석이도권
Keywords
ion drift-diffusion; first order approximation; numerical calculation; Electrolyte; Drift-diffusion
Issue Date
2012-09
Publisher
Journal of the Korean Physical Society
Citation
VOL 61, NO 6, 913-919
Abstract
The time-dependent redistribution of mobile Az+ cations and Xz− anions in a AX solid electrolyte was calculated by solving the drift-diffusion equation. In this calculation, no first-order approximation was employed because a breakdown of the first-order approximation (FOA) probably takes place when the gradient of the chemical and/or the electrostatic potential in the electrolyte is high. Moreover, the differential diffusivity and mobility of the ions were evaluated in the electrolyte under various conditions. The calculated results were compared with those of FOA-based calculations.
URI
http://pubs.kist.re.kr/handle/201004/45688
ISSN
03744884
Appears in Collections:
KIST Publication > Article
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